Replacement SS classic clear voice tube for Plantronics H31 H41 H51 and H61 model headsets. This microphone tube extension is required for crisp clear communication when using a headset. The SS classic was the original voice tube by Plantronics and is at a 90 degree angle and slightly longer than the current version. It is recommended by the Plantronics the manufacturer to be replaced every 6-month.
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